Patents Assigned to Schkumberger Technology Corporation
  • Wireline cable
    Patent number: 6297455
    Abstract: A cable that has a longitudinal axis and includes four insulated primary conductors which extend along the cable and define interstices between adjacent primary conductors. At least one insulated secondary conductor has a wire gauge smaller than the primary conductors and extends about the longitudinal axis of the cable. The at least one secondary conductor is at least partially nested in one of the interstices. An armor shield surrounds the primary and secondary conductors.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: October 2, 2001
    Assignee: Schkumberger Technology Corporation
    Inventors: Willem A. Wijnberg, Pete Howard, Ramon Hernandez-Marti